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Patent Searching and Data


Title:
電子地図データベースの生成方法
Document Type and Number:
Japanese Patent JP4029925
Kind Code:
B2
Abstract:

To reduce generation load of a new database by effectively utilizing information included in an existing database.

A city plan database 20 as an existing database and a road database 30 as a new database are first inputted. When a symbol such as one way traffic, a traffic strip, and a sidewalk of the city plan database 20 is included in road polygons in the road database 30, an attribute corresponding to the symbol is set in the road database 30. Thus, the generation load of the newly generated road database 30 can be reduced by effectively utilizing attribute information set up in the existing database.

COPYRIGHT: (C)2003,JPO


Inventors:
Junya Amita
Taku Yamamoto
Masanori Saito
Kenji Masano
Application Number:
JP2001392044A
Publication Date:
January 09, 2008
Filing Date:
December 25, 2001
Export Citation:
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Assignee:
Zenrin Co., Ltd.
International Classes:
G09B29/00; G06F17/30; G06T11/60
Domestic Patent References:
JP1227182A
JP2000066583A
JP11120332A
JP2001117487A
JP10162123A
Foreign References:
WO2000043953A1
Other References:
三沢博,外7名,地理情報システム,NEC技報,日本,株式会社日本電気文化センター,1984年 5月25日,第37巻,第5号,p.32~40
今井修,システム化が進む地理情報システム 地理情報システム(ARC/INFO)と都市情報システム,PIXEL,日本,図形処理情報センター,1985年12月 1日,第39号,p.109~115
Attorney, Agent or Firm:
Meisei International Patent Office